CN106784352B - Organic luminescent device and its manufacturing method - Google Patents
Organic luminescent device and its manufacturing method Download PDFInfo
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- CN106784352B CN106784352B CN201611236412.0A CN201611236412A CN106784352B CN 106784352 B CN106784352 B CN 106784352B CN 201611236412 A CN201611236412 A CN 201611236412A CN 106784352 B CN106784352 B CN 106784352B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of organic luminescent device and its manufacturing methods, wherein the organic luminescent device includes: substrate；First insulated column is formed on the substrate, and first insulated column is arranged along the first direction of the substrate；Transparent electrode layer, on the substrate being formed between first insulated column and first insulated column, and it is mutually isolated with the transparent electrode layer that is formed on first insulated column to form the transparent electrode layer on the substrate；Organic luminous layer is formed on the transparent electrode layer on the substrate.As a result, using the difference in height between the first insulated column and substrate, make the transparent electrode layer in a second direction spaced-apart naturally, without additional transparent electrode layer etching work procedure.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of organic luminescent device and its manufacturing method.
Background technique
With the continuous development of display technology, liquid crystal display and Organic Light Emitting Diode (OLED, Organic Light-
Emitting Diode) display due to having many advantages, such as that driving voltage is low, low energy consumption, light-weight, thickness is thin, obtains extensive
Using.
Fig. 1 shows a kind of existing PMOLED (passive-matrix Organic Light Emitting Diode, Passive Matrix
Organic Light-Emitting Diode) sectional view, common manufacturing method is first to coat the electrically conducting transparents such as ITO
Then metal material is coated with the conductive metallic materials such as Mo/Al/Mo, then carries out to conductive metallic materials such as Mo/Al/Mo
Etching subsequently performs etching to form transparent electrode layer 13, most the transparent conductive metals material such as ITO with forming wiring layer 12
Insulated column 14, organic luminous layer 15 and cathode layer 16 are formed afterwards.However, needing to carry out twice etching step in this way to be respectively formed
Wiring layer and transparent electrode layer, processing step is complicated, increases the manufacturing cost of organic luminescent device.
Summary of the invention
In consideration of it, the embodiment of the invention provides a kind of organic luminescent device and its manufacturing method, to solve the prior art
The problem of middle organic luminescent device manufacturing process complexity.
According in a first aspect, the embodiment of the invention provides a kind of organic luminescent devices, comprising: substrate；First insulated column,
It is formed on the substrate, first insulated column is arranged along the first direction of the substrate；Transparent electrode layer is formed in described
On the substrate and first insulated column between first insulated column, and form the transparent electrode layer on the substrate
It is mutually isolated with the transparent electrode layer that is formed on first insulated column；Organic luminous layer is formed on the substrate
The transparent electrode layer on；Cathode layer is formed on the organic luminous layer.
Optionally, the organic luminescent device further include: the second insulated column, formed on the substrate, described second every
From column along the second direction setting vertical with the first direction of the substrate.
Optionally, the thickness of the organic luminous layer is lower than the height of second insulated column.
Optionally, the thickness of the organic luminous layer is higher than the height of first insulated column；Or the cathode layer with
The sum of thickness of the organic luminous layer is higher than the height of first insulated column.
According to second aspect, the embodiment of the invention provides a kind of manufacturing methods of organic luminescent device, comprising: in substrate
The first insulated column of upper formation, wherein first insulated column is arranged along the first direction of the substrate；In the substrate and described
Transparent electrode layer is formed on first insulated column, wherein forming the transparent electrode layer on the substrate and being formed in described the
The transparent electrode layer on one insulated column is mutual due to the difference in height between first insulated column and the substrate surface
Isolation；Organic luminous layer is formed on the transparent electrode layer；Cathode layer is formed on the organic luminous layer.
Optionally, transparent electrode layer is formed on the substrate and first insulated column and on the transparent electrode layer
Formed before organic luminous layer, the method also includes: form the second insulated column on the transparent electrode layer, described second every
From column along the second direction setting vertical with the first direction of the substrate.
Optionally, it is formed before the second insulated column on the substrate, the method also includes: removal first isolation
The part of column intersected with second insulated column to be formed.
Optionally, the thickness of the organic luminous layer is lower than the height of second insulated column.
Optionally, the thickness of the organic luminous layer is higher than the height of first insulated column；Or the cathode layer with
The sum of thickness of the organic luminous layer is higher than the height of first insulated column.
Organic luminescent device according to an embodiment of the present invention and its manufacturing method pass through the shape after forming the first insulated column
At transparent electrode layer, using the difference in height between the first insulated column and substrate, make the transparent electrode in a second direction naturally
Layer is spaced-apart, without additional transparent electrode layer etching work procedure.
Further, pass through the thickness of the first insulated column of setting, the second insulated column, organic luminous layer and cathode layer, benefit
With the difference in height between the second insulated column and organic luminous layer, make the cathode layer on first direction spaced-apart naturally,
Realize the determinant scanning of organic light emitting display.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 shows a kind of sectional view of PMOLED in the prior art；
Fig. 2 shows the plan views of organic luminescent device according to an embodiment of the present invention；
Fig. 3 shows the sectional view of the dotted line A-A in Fig. 2；
Fig. 4 shows the sectional view of the dotted line B-B in Fig. 2；
Fig. 5 shows the flow chart of the manufacturing method of organic luminescent device according to an embodiment of the present invention；
Fig. 6 A-6D shows in Fig. 5 organic luminescent device according to an embodiment of the present invention corresponding to each step along Fig. 2
In dotted line A-A sectional view；
Fig. 6 E-6I shows in Fig. 5 organic luminescent device according to an embodiment of the present invention corresponding to each step along Fig. 2
In dotted line B-B sectional view.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 2 and Fig. 3 show the schematic diagrames of organic luminescent device according to an embodiment of the present invention.As shown in Fig. 2, in basis
In the organic luminescent device of the embodiment of the present invention, the first insulated column 24 along substrate 21 first direction (such as dotted line B-B institute in Fig. 2
The direction shown) it is arranged, the second insulated column 27 is arranged along the second direction (direction as shown in dotted line A-A in Fig. 2) of substrate 21,
Middle first direction is vertical with second direction.
Fig. 3 shows the sectional view of organic luminescent device according to an embodiment of the present invention in a second direction, the organic light emission
Device may include: substrate 21, wiring layer 22, transparent electrode layer 23, the first insulated column 24, organic luminous layer 25 and cathode layer
26.Specifically, substrate 21 can be transparent substrate；Wiring layer 22 is formed on the base plate (21, and wiring layer 22 can be by Mo/Al/Mo
Equal conductive metallic materials are made；First insulated column 24 is formed on the base plate (21, first direction of first insulated column 24 along substrate 21
Setting；Transparent electrode layer 23 is respectively formed on substrate 21 and the first insulated column 24, due to difference in height, is formed on the base plate (21
Transparent electrode layer 23 is isolated from each other naturally with the transparent electrode layer 23 being formed on the first insulated column 24, without additional saturating
Prescribed electrode layer etching procedure, transparent electrode layer 23 can be made of transparent conductive materials such as ITO；Organic luminous layer 25 is formed in base
On transparent electrode layer 23 on plate 21.
The thickness of organic luminous layer 25 is higher than the height of the first insulated column 24 as a preferred implementation manner, so such as
Shown in Fig. 2, since the thickness of organic luminous layer 25 is higher than the height of the first insulated column 24, so that the first insulated column 24 is invisible,
The first insulated column 24 is invisible in Fig. 2 is represented by dashed line, so that cathode layer 26 is connection, cathode in a second direction
Layer 26 is formed on the base plate (21 in a second direction.
In another optional embodiment, the thickness of organic luminous layer 25 can also be lower than the height of the first insulated column 24
Degree, but the sum of the thickness of organic luminous layer 25 and cathode layer 26 should be above the height of the first insulated column 24, still may be used in this way
So that cathode layer 26 is connection in a second direction.
Fig. 4 shows organic luminescent device according to an embodiment of the present invention along the sectional view of first direction, the organic light emission
Device can also include the second insulated column 27, the second insulated column 27 along substrate 21 second direction be arranged, second direction perpendicular to
First direction.
The thickness of organic luminous layer 25 is lower than the height of the second insulated column 27 as a preferred implementation manner, so such as
Shown in Fig. 2, due to organic luminous layer 25 thickness be lower than the second insulated column 27 height, the second insulated column 27 as it can be seen that in this way by
Difference in height between the second insulated column 27 and organic luminous layer 25, when forming cathode layer 26, cathode layer 26 is in a first direction
On be that nature separates, be advantageously implemented organic light emitting diodde desplay device determinant scanning, as shown in Figure 4.
It is transparent by being formed after forming the first insulated column 24 in organic luminescent device according to an embodiment of the present invention
Electrode layer 23 makes the transparent electrode in a second direction using the difference in height between the first insulated column 24 and substrate 21 naturally
Layer 23 is spaced-apart, without additional transparent electrode layer etching work procedure.
Further, pass through the first insulated column 24 of setting, the second insulated column 27, organic luminous layer 25 and cathode layer 26
Thickness makes the cathode layer on first direction using the difference in height between the second insulated column 27 and organic luminous layer 25 naturally
26 is spaced-apart, realizes the determinant scanning of organic light emitting diodde desplay device.
The organic luminescent device of the embodiment of the present invention is PMOLED as a preferred implementation manner, realizes transparent electricity
Pole and the effective of cathode transverse and longitudinal are connected to and separate, and realize the matrix form driving of PMOLED.
The manufacturer of organic luminescent device according to an embodiment of the present invention is described in detail below in conjunction with Fig. 5 and Fig. 6 A-6I
Method.
As shown in figure 5, the manufacturing method of organic luminescent device according to an embodiment of the present invention may include steps of:
S11. wiring layer 22 and the first insulated column 24 are formed on the base plate (21.As shown in Fig. 6 A and Fig. 6 E, the first insulated column
24 are arranged along the first direction of substrate 21, and the formation of wiring layer 22 and the first insulated column 24 sequence with no restrictions, can be initially formed
Then wiring layer 22 forms the first insulated column 24, can also be initially formed the first insulated column 24 and then form wiring layer 22.Specifically,
Can first one layer of metal layer of plating, such as Mo/Al/Mo alloy on the base plate (21, then etching obtains wiring layer 22.First isolation
Column 24 can be made of photosensitive material, can first be coated with one layer of photosensitive material on the base plate (21, then be exposed developing process,
To form the first insulated column 24.
S12. transparent electrode layer 23 is formed on substrate 21 and the first insulated column 24.As shown in Fig. 6 B and Fig. 6 F, Ke Yi
The transparent conductive materials such as plating ITO are formed in due to the difference in height of the first insulated column 24 and substrate surface on entire substrate
Transparent electrode layer 23 on substrate 21 between first insulated column 24 and the transparent electrode layer 23 being formed on the first insulated column 24
Naturally mutually separate, i.e., in a second direction on transparent electrode layer 23 by naturally spaced-apart, to eliminate transparent electricity
The process of pole layer etching.
S13. the second insulated column 27 is formed on the base plate (21.As shown in Figure 6 G, the second insulated column 27 is along the second of substrate 21
Direction setting, second direction are vertical with first direction.Similarly, the second insulated column 27 can also be made of photosensitive material, can be with
It is first coated with one layer of photosensitive material on the base plate (21, is exposed developing process, then to form the second insulated column 27.
S14. organic luminous layer 25 is formed on transparent electrode layer 23, as shown in Fig. 6 C and Fig. 6 H.
S15. cathode layer 26 is formed on organic luminous layer 25, as shown in Fig. 6 D and Fig. 6 I.
With it is described above identical, the thickness of organic luminous layer 25 is higher than the height of the first insulated column 24 and is lower than second
The height of insulated column 27 so that by the modes such as plating on luminescent layer 25 formed cathode layer 26 when so that cathode layer
26 are connection in a second direction and are that nature separates in a first direction.Similarly, the thickness of organic luminous layer 25
The height of the first insulated column 24 can also be lower than, but the sum of the thickness of organic luminous layer 25 and cathode layer 26 should be above first
The height of insulated column 24, still can make cathode layer 26 in a second direction in this way is connection.
In the manufacturing method of organic luminescent device according to an embodiment of the present invention, after being initially formed the first insulated column 24
The second insulated column 27 is formed, is the first insulated column 24 and for the position that the first insulated column 24 intersects with the second insulated column 27
The height of two insulated columns 27 superposition, i.e., form a protrusion again on the basis of the first insulated column 24.As a kind of optional
Embodiment, before forming the second insulated column 27, can using etching by the way of remove first insulated column with to shape
At second insulated column intersect part, so that protrusion would not be generated when forming the second insulated column 27.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations can be made in the case where bright spirit and scope, and such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (5)
1. a kind of organic luminescent device characterized by comprising
Substrate；
First insulated column is formed on the substrate, and first insulated column is arranged along the first direction of the substrate；
Second insulated column is formed on the substrate, and second insulated column is along the vertical with the first direction of the substrate
Second direction setting；
Transparent electrode layer on the substrate being formed between first insulated column and first insulated column, and is formed in
The transparent electrode layer on the substrate and the transparent electrode layer being formed on first insulated column are mutually isolated；
Organic luminous layer is formed on the transparent electrode layer on the substrate；
Cathode layer is formed on the organic luminous layer；Wherein
The thickness of the organic luminous layer is higher than the height of first insulated column；Or
The sum of thickness of the cathode layer and the organic luminous layer is higher than the height of first insulated column.
2. organic luminescent device according to claim 1, which is characterized in that the thickness of the organic luminous layer is lower than described
The height of second insulated column.
3. a kind of manufacturing method of organic luminescent device characterized by comprising
The first insulated column is formed on substrate, wherein first insulated column is arranged along the first direction of the substrate；
The second insulated column is formed on the substrate, and second insulated column is along the vertical with the first direction of the substrate
Second direction setting；
Transparent electrode layer is formed on the substrate and first insulated column, wherein forming on the substrate described transparent
Electrode layer and the transparent electrode layer being formed on first insulated column are due to first insulated column and the substrate table
Difference in height between face and it is mutually isolated；
Organic luminous layer is formed on the transparent electrode layer；
Cathode layer is formed on the organic luminous layer；Wherein
The thickness of the organic luminous layer is higher than the height of first insulated column；Or
The sum of thickness of the cathode layer and the organic luminous layer is higher than the height of first insulated column.
4. according to the method described in claim 3, also wrapping it is characterized in that, formed before the second insulated column on the substrate
It includes:
Remove the part of first insulated column intersected with second insulated column to be formed.
5. the method according to claim 3 or 4, which is characterized in that the thickness of the organic luminous layer is lower than described second
The height of insulated column.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611236412.0A CN106784352B (en) | 2016-12-28 | 2016-12-28 | Organic luminescent device and its manufacturing method |
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| CN201611236412.0A CN106784352B (en) | 2016-12-28 | 2016-12-28 | Organic luminescent device and its manufacturing method |
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| CN106784352A CN106784352A (en) | 2017-05-31 |
| CN106784352B true CN106784352B (en) | 2019-03-29 |
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| CN110767836B (en) | 2019-04-12 | 2020-08-25 | 昆山国显光电有限公司 | Semiconductor structure, display panel, preparation method of display panel and display terminal |
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| CN101290905A (en) * | 2007-04-19 | 2008-10-22 | 奇美电子股份有限公司 | Display panel and wire manufacturing method thereof |
| KR20100013879A (en) * | 2008-08-01 | 2010-02-10 | 엘지디스플레이 주식회사 | Organic luminescence dispaly panel and fabricating method of the same |
| KR20100013521A (en) * | 2008-07-31 | 2010-02-10 | 엘지디스플레이 주식회사 | Organic light emitting diodde display device |
| CN103081159A (en) * | 2010-07-08 | 2013-05-01 | 株式会社Lg化学 | Organic light-emitting device and its preparation method |
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2016
- 2016-12-28 CN CN201611236412.0A patent/CN106784352B/en active Active
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| CN1557020A (en) * | 2001-09-24 | 2004-12-22 | �ʼҷ����ֵ��ӹɷ�����˾ | Components of thin film optical device and organic electroluminescence display device and manufacturing method thereof |
| CN1499907A (en) * | 2002-11-06 | 2004-05-26 | Lg.������Lcd����˾ | Organic electroluminescent device with oblique banks and coating fabrication technique |
| CN1738495A (en) * | 2004-06-25 | 2006-02-22 | 奇美电子股份有限公司 | Organic electroluminescent display panel and manufacturing method thereof |
| CN101290905A (en) * | 2007-04-19 | 2008-10-22 | 奇美电子股份有限公司 | Display panel and wire manufacturing method thereof |
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